1.. Permission is granted to copy, distribute and/or modify this
2.. document under the terms of the GNU Free Documentation License,
3.. Version 1.1 or any later version published by the Free Software
4.. Foundation, with no Invariant Sections, no Front-Cover Texts
5.. and no Back-Cover Texts. A copy of the license is included at
6.. Documentation/userspace-api/media/fdl-appendix.rst.
7..
8.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections
9
10.. _lirc_set_measure_carrier_mode:
11
12***********************************
13ioctl LIRC_SET_MEASURE_CARRIER_MODE
14***********************************
15
16Name
17====
18
19LIRC_SET_MEASURE_CARRIER_MODE - enable or disable measure mode
20
21Synopsis
22========
23
24.. c:function:: int ioctl( int fd, LIRC_SET_MEASURE_CARRIER_MODE, __u32 *enable )
25    :name: LIRC_SET_MEASURE_CARRIER_MODE
26
27Arguments
28=========
29
30``fd``
31    File descriptor returned by open().
32
33``enable``
34    enable = 1 means enable measure mode, enable = 0 means disable measure
35    mode.
36
37
38Description
39===========
40
41.. _lirc-mode2-frequency:
42
43Enable or disable measure mode. If enabled, from the next key
44press on, the driver will send ``LIRC_MODE2_FREQUENCY`` packets. By
45default this should be turned off.
46
47
48Return Value
49============
50
51On success 0 is returned, on error -1 and the ``errno`` variable is set
52appropriately. The generic error codes are described at the
53:ref:`Generic Error Codes <gen-errors>` chapter.
54